<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>pop up</title>
	<script type="text/javascript" src="index.js"></script>
	<style type="text/css">
		body{
			width: 4rem;
			height: 3rem;
		}
	</style>
</head>
<body>
pop up
</body>
</html>